Genetik och replikation Flashcards

1
Q

Gen

A

Sekvens av DNA som kodar för protein eller RNA.

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2
Q

Genom

A

All genetisk information i en organism.

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3
Q

Replikation

A

Kopiering av DNA före celldelning, semikonservativ process.

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4
Q

DNA-polymeras

A

Enzym som bygger ny DNA-sträng genom att foga ihop nukleotider.

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5
Q

Helikas

A

Enzym som separerar DNA-strängar vid replikation.

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6
Q

Primas

A

Lägger RNA-primer som startpunkt för DNA-polymeras.

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7
Q

Leading strand

A

DNA-sträng som syntetiseras kontinuerligt vid replikation.

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8
Q

Lagging strand

A

Syntetiseras i Okazaki-fragment, kräver flera primers.

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9
Q

Telomerer

A

Skyddande DNA-sekvenser i kromosomändar, förhindrar nedbrytning.

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10
Q

Mutation

A

Förändring i DNA-sekvens, kan vara skadlig, neutral eller fördelaktig.

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